diff --git a/src/Undefined/onebot.py b/src/Undefined/onebot.py
index f0e9cc6..f39f28c 100644
--- a/src/Undefined/onebot.py
+++ b/src/Undefined/onebot.py
@@ -10,11 +10,19 @@
 import websockets
 from websockets.asyncio.client import ClientConnection
 
+from Undefined.context import RequestContext
 from Undefined.utils.logging import log_debug_json, redact_string, sanitize_data
 
 logger = logging.getLogger(__name__)
 
 
+def _mark_message_sent_this_turn() -> None:
+    ctx = RequestContext.current()
+    if ctx is None:
+        return
+    ctx.set_resource("message_sent_this_turn", True)
+
+
 class OneBotClient:
     """OneBot v11 WebSocket 客户端"""
 
@@ -146,25 +154,29 @@ async def send_group_message(
         self, group_id: int, message: str | list[dict[str, Any]]
     ) -> dict[str, Any]:
         """发送群消息"""
-        return await self._call_api(
+        result = await self._call_api(
             "send_group_msg",
             {
                 "group_id": group_id,
                 "message": message,
             },
         )
+        _mark_message_sent_this_turn()
+        return result
 
     async def send_private_message(
         self, user_id: int, message: str | list[dict[str, Any]]
     ) -> dict[str, Any]:
         """发送私聊消息"""
-        return await self._call_api(
+        result = await self._call_api(
             "send_private_msg",
             {
                 "user_id": user_id,
                 "message": message,
             },
         )
+        _mark_message_sent_this_turn()
+        return result
 
     async def get_group_msg_history(
         self,
diff --git a/src/Undefined/services/ai_coordinator.py b/src/Undefined/services/ai_coordinator.py
index 8ba281a..708bd6b 100644
--- a/src/Undefined/services/ai_coordinator.py
+++ b/src/Undefined/services/ai_coordinator.py
@@ -241,6 +241,8 @@ async def send_like_cb(uid: int, times: int = 1) -> None:
 
             # 存储资源到上下文
             ai_client = self.ai
+            memory_storage = self.ai.memory_storage
+            runtime_config = self.ai.runtime_config
             sender = self.sender
             history_manager = self.history_manager
             onebot_client = self.onebot
@@ -320,6 +322,8 @@ async def send_private_cb(uid: int, msg: str) -> None:
 
             # 存储资源到上下文
             ai_client = self.ai
+            memory_storage = self.ai.memory_storage
+            runtime_config = self.ai.runtime_config
             sender = self.sender
             history_manager = self.history_manager
             onebot_client = self.onebot
diff --git a/src/Undefined/skills/agents/naga_code_analysis_agent/tools/read_file/config.json b/src/Undefined/skills/agents/naga_code_analysis_agent/tools/read_file/config.json
index d0224f6..c0896bb 100644
--- a/src/Undefined/skills/agents/naga_code_analysis_agent/tools/read_file/config.json
+++ b/src/Undefined/skills/agents/naga_code_analysis_agent/tools/read_file/config.json
@@ -9,6 +9,10 @@
                 "file_path": {
                     "type": "string",
                     "description": "文件路径（相对于当前工作目录）"
+                },
+                "max_chars": {
+                    "type": "integer",
+                    "description": "可选：最大字符数限制。如果文件内容超过此限制，将被截断。不指定则返回完整内容。建议：小文件不指定，大文件可设置为 50000-100000"
                 }
             },
             "required": ["file_path"]
diff --git a/src/Undefined/skills/agents/naga_code_analysis_agent/tools/read_file/handler.py b/src/Undefined/skills/agents/naga_code_analysis_agent/tools/read_file/handler.py
index c5b58f1..7ba4c4e 100644
--- a/src/Undefined/skills/agents/naga_code_analysis_agent/tools/read_file/handler.py
+++ b/src/Undefined/skills/agents/naga_code_analysis_agent/tools/read_file/handler.py
@@ -10,6 +10,7 @@ async def execute(args: Dict[str, Any], context: Dict[str, Any]) -> str:
     """读取指定文件的详细内容"""
     # 支持两个参数名以实现兼容性
     file_path = args.get("file_path") or args.get("path", "")
+    max_chars: int | None = args.get("max_chars")
 
     if not file_path:
         return "错误：文件路径不能为空"
@@ -57,8 +58,14 @@ async def execute(args: Dict[str, Any], context: Dict[str, Any]) -> str:
                         f"文件 {file_path} 使用 latin-1 解码，可能包含乱码。"
                     )
 
-        if len(file_content) > 10000:
-            file_content = file_content[:10000] + "\n... (内容过长，已截断)"
+        # 字符数截断（如果指定了 max_chars）
+        total_chars = len(file_content)
+        if max_chars and total_chars > max_chars:
+            file_content = file_content[:max_chars]
+            truncated_info = (
+                f"\n\n... (文件共 {total_chars} 字符，已截断到前 {max_chars} 字符)"
+            )
+            file_content += truncated_info
 
         return file_content
 
diff --git a/src/Undefined/skills/registry.py b/src/Undefined/skills/registry.py
index c800f1c..3f1c2ad 100644
--- a/src/Undefined/skills/registry.py
+++ b/src/Undefined/skills/registry.py
@@ -168,7 +168,7 @@ def _register_item_from_dir(self, item_dir: Path, prefix: str = "") -> None:
 
             item = self._build_skill_item(item_dir, config, handler_path, prefix)
             self._items[item.name] = item
-            self._items_schema.append(config)
+            self._items_schema.append(item.config)
             self._stats.setdefault(item.name, SkillStats())
 
             if logger.isEnabledFor(logging.DEBUG):
diff --git a/src/Undefined/skills/tools/end/config.json b/src/Undefined/skills/tools/end/config.json
index 9267056..179c93b 100644
--- a/src/Undefined/skills/tools/end/config.json
+++ b/src/Undefined/skills/tools/end/config.json
@@ -9,6 +9,10 @@
                 "summary": {
                     "type": "string",
                     "description": "记录这次做了什么或以后可能要做什么。如果只是end了不做事，不需要填写。如果做了什么或以后可能要做什么，必须填写。这是你短期记忆的来源，十分重要。"
+                },
+                "force": {
+                    "type": "boolean",
+                    "description": "强制结束对话，跳过未发送消息的检查。默认为 false。"
                 }
             },
             "required": []
diff --git a/src/Undefined/skills/tools/end/handler.py b/src/Undefined/skills/tools/end/handler.py
index 1b2049d..e00ace4 100644
--- a/src/Undefined/skills/tools/end/handler.py
+++ b/src/Undefined/skills/tools/end/handler.py
@@ -2,6 +2,7 @@
 from typing import Any, Dict
 import logging
 
+from Undefined.context import RequestContext
 from Undefined.end_summary_storage import (
     EndSummaryLocation,
     EndSummaryRecord,
@@ -12,6 +13,26 @@
 logger = logging.getLogger(__name__)
 
 
+def _parse_force_flag(value: Any) -> bool:
+    """force 仅接受布尔值，其他类型一律视为 False。"""
+    return value if isinstance(value, bool) else False
+
+
+def _is_true_flag(value: Any) -> bool:
+    """上下文标记仅接受布尔 True。"""
+    return isinstance(value, bool) and value
+
+
+def _was_message_sent_this_turn(context: Dict[str, Any]) -> bool:
+    if _is_true_flag(context.get("message_sent_this_turn", False)):
+        return True
+
+    ctx = RequestContext.current()
+    if ctx is None:
+        return False
+    return _is_true_flag(ctx.get_resource("message_sent_this_turn", False))
+
+
 def _build_location(context: Dict[str, Any]) -> EndSummaryLocation | None:
     request_type = context.get("request_type")
     if request_type == "group":
@@ -39,6 +60,27 @@ def _build_location(context: Dict[str, Any]) -> EndSummaryLocation | None:
 async def execute(args: Dict[str, Any], context: Dict[str, Any]) -> str:
     summary_raw = args.get("summary", "")
     summary = summary_raw.strip() if isinstance(summary_raw, str) else ""
+    force_raw = args.get("force", False)
+    force = _parse_force_flag(force_raw)
+    if "force" in args and not isinstance(force_raw, bool):
+        logger.warning(
+            "[end工具] force 参数类型非法，已按 False 处理: type=%s request_id=%s",
+            type(force_raw).__name__,
+            context.get("request_id", "-"),
+        )
+
+    # 检查：如果有 summary 但本轮未发送消息，且未强制执行，则拒绝
+    if summary and not force:
+        message_sent = _was_message_sent_this_turn(context)
+        if not message_sent:
+            logger.warning(
+                "[end工具] 拒绝执行：有 summary 但本轮未发送消息，request_id=%s",
+                context.get("request_id", "-"),
+            )
+            return (
+                "拒绝结束对话：你记录了 summary 但本轮未发送任何消息或媒体内容。"
+                "请先发送消息给用户，或者如果确实不需要发送，请使用 force=true 参数强制结束。"
+            )
 
     if summary:
         location = _build_location(context)
diff --git a/src/Undefined/skills/toolsets/memory/add/config.json b/src/Undefined/skills/toolsets/memory/add/config.json
index 2d40574..9d8ddbd 100644
--- a/src/Undefined/skills/toolsets/memory/add/config.json
+++ b/src/Undefined/skills/toolsets/memory/add/config.json
@@ -1,7 +1,7 @@
 {
     "type": "function",
     "function": {
-        "name": "memory.add",
+        "name": "add",
         "description": "保存一条记忆。当你觉得某些信息值得记住（比如用户的偏好、重要的事情、约定等），可以调用此工具保存。就事论事，就人论人，不做会话隔离。上限500条，超出上限会自动移除最旧的记忆。",
         "parameters": {
             "type": "object",
diff --git a/src/Undefined/skills/toolsets/memory/delete/config.json b/src/Undefined/skills/toolsets/memory/delete/config.json
index def0eb7..39957c0 100644
--- a/src/Undefined/skills/toolsets/memory/delete/config.json
+++ b/src/Undefined/skills/toolsets/memory/delete/config.json
@@ -1,7 +1,7 @@
 {
     "type": "function",
     "function": {
-        "name": "memory.delete",
+        "name": "delete",
         "description": "根据 UUID 删除一条记忆。",
         "parameters": {
             "type": "object",
diff --git a/src/Undefined/skills/toolsets/memory/list/config.json b/src/Undefined/skills/toolsets/memory/list/config.json
index 4157204..6877a67 100644
--- a/src/Undefined/skills/toolsets/memory/list/config.json
+++ b/src/Undefined/skills/toolsets/memory/list/config.json
@@ -1,7 +1,7 @@
 {
     "type": "function",
     "function": {
-        "name": "memory.list",
+        "name": "list",
         "description": "列出所有保存的记忆及其 UUID。当你需要 update 或 delete 时，应先调用此工具查找对应的 UUID。",
         "parameters": {
             "type": "object",
diff --git a/src/Undefined/skills/toolsets/memory/update/config.json b/src/Undefined/skills/toolsets/memory/update/config.json
index 793bbbb..b502972 100644
--- a/src/Undefined/skills/toolsets/memory/update/config.json
+++ b/src/Undefined/skills/toolsets/memory/update/config.json
@@ -1,7 +1,7 @@
 {
     "type": "function",
     "function": {
-        "name": "memory.update",
+        "name": "update",
         "description": "更新一条已有的记忆。需要提供该记忆的 UUID。",
         "parameters": {
             "type": "object",
diff --git a/src/Undefined/skills/toolsets/messages/send_group_sign/config.json b/src/Undefined/skills/toolsets/messages/send_group_sign/config.json
index 847a39d..70bb6b9 100644
--- a/src/Undefined/skills/toolsets/messages/send_group_sign/config.json
+++ b/src/Undefined/skills/toolsets/messages/send_group_sign/config.json
@@ -1,7 +1,7 @@
 {
     "type": "function",
     "function": {
-        "name": "messages.send_group_sign",
+        "name": "send_group_sign",
         "description": "在当前群聊执行打卡（签到）。仅当在群聊对话中且有打卡功能时可用。",
         "parameters": {
             "type": "object",
diff --git a/src/Undefined/skills/toolsets/messages/send_message/handler.py b/src/Undefined/skills/toolsets/messages/send_message/handler.py
index 025a6ae..3e64e2d 100644
--- a/src/Undefined/skills/toolsets/messages/send_message/handler.py
+++ b/src/Undefined/skills/toolsets/messages/send_message/handler.py
@@ -182,6 +182,7 @@ async def execute(args: Dict[str, Any], context: Dict[str, Any]) -> str:
             else:
                 logger.info("[发送消息] 准备发送私聊 %s: %s", target_id, message[:100])
                 await sender.send_private_message(target_id, message)
+            context["message_sent_this_turn"] = True
             return "消息已发送"
         except Exception as e:
             logger.exception(
@@ -193,11 +194,12 @@ async def execute(args: Dict[str, Any], context: Dict[str, Any]) -> str:
             )
             return "发送失败：消息服务暂时不可用，请稍后重试"
 
-    # 无 sender 时只做兼容回调；仅允许发送到“当前会话”避免误投递
+    # 无 sender 时只做兼容回调；仅允许发送到"当前会话"避免误投递
     if target_type == "group":
         if send_message_callback and _is_current_group_target(context, target_id):
             try:
                 await send_message_callback(message)
+                context["message_sent_this_turn"] = True
                 return "消息已发送"
             except Exception as e:
                 logger.exception(
@@ -218,6 +220,7 @@ async def execute(args: Dict[str, Any], context: Dict[str, Any]) -> str:
     if send_private_message_callback:
         try:
             await send_private_message_callback(target_id, message)
+            context["message_sent_this_turn"] = True
             return "消息已发送"
         except Exception as e:
             logger.exception(
@@ -231,6 +234,7 @@ async def execute(args: Dict[str, Any], context: Dict[str, Any]) -> str:
     if send_message_callback and _is_current_private_target(context, target_id):
         try:
             await send_message_callback(message)
+            context["message_sent_this_turn"] = True
             return "消息已发送"
         except Exception as e:
             logger.exception(
diff --git a/src/Undefined/skills/toolsets/messages/send_private_message/handler.py b/src/Undefined/skills/toolsets/messages/send_private_message/handler.py
index ad6c434..e4efe8e 100644
--- a/src/Undefined/skills/toolsets/messages/send_private_message/handler.py
+++ b/src/Undefined/skills/toolsets/messages/send_private_message/handler.py
@@ -44,6 +44,7 @@ async def execute(args: Dict[str, Any], context: Dict[str, Any]) -> str:
     if sender:
         try:
             await sender.send_private_message(user_id, message)
+            context["message_sent_this_turn"] = True
             return f"私聊消息已发送给用户 {user_id}"
         except Exception as e:
             logger.exception(
@@ -57,6 +58,7 @@ async def execute(args: Dict[str, Any], context: Dict[str, Any]) -> str:
     if send_private_message_callback:
         try:
             await send_private_message_callback(user_id, message)
+            context["message_sent_this_turn"] = True
             return f"私聊消息已发送给用户 {user_id}"
         except Exception as e:
             logger.exception(
diff --git a/src/Undefined/skills/toolsets/notices/get/config.json b/src/Undefined/skills/toolsets/notices/get/config.json
index 8343074..01bcf35 100644
--- a/src/Undefined/skills/toolsets/notices/get/config.json
+++ b/src/Undefined/skills/toolsets/notices/get/config.json
@@ -1,7 +1,7 @@
 {
     "type": "function",
     "function": {
-        "name": "notices.get",
+        "name": "get",
         "description": "根据 notice_id 获取特定群公告的详细内容。",
         "parameters": {
             "type": "object",
diff --git a/src/Undefined/skills/toolsets/notices/list/config.json b/src/Undefined/skills/toolsets/notices/list/config.json
index 4ddabee..8d63229 100644
--- a/src/Undefined/skills/toolsets/notices/list/config.json
+++ b/src/Undefined/skills/toolsets/notices/list/config.json
@@ -1,7 +1,7 @@
 {
     "type": "function",
     "function": {
-        "name": "notices.list",
+        "name": "list",
         "description": "综合查询群公告列表。支持按数量、全部获取、关键词搜索及时间范围筛选。",
         "parameters": {
             "type": "object",
diff --git a/src/Undefined/skills/toolsets/notices/stats/config.json b/src/Undefined/skills/toolsets/notices/stats/config.json
index ddd6236..8979764 100644
--- a/src/Undefined/skills/toolsets/notices/stats/config.json
+++ b/src/Undefined/skills/toolsets/notices/stats/config.json
@@ -1,7 +1,7 @@
 {
     "type": "function",
     "function": {
-        "name": "notices.stats",
+        "name": "stats",
         "description": "获取群公告的统计信息，如公告总数和最新公告时间。",
         "parameters": {
             "type": "object",
diff --git a/src/Undefined/utils/scheduler.py b/src/Undefined/utils/scheduler.py
index 362b9eb..4fd6e80 100644
--- a/src/Undefined/utils/scheduler.py
+++ b/src/Undefined/utils/scheduler.py
@@ -426,6 +426,8 @@ async def send_like_cb(uid: int, times: int = 1) -> None:
                     await self.onebot.send_like(uid, times)
 
                 ai_client = self.ai
+                memory_storage = self.ai.memory_storage
+                runtime_config = self.ai.runtime_config
                 sender = self.sender
                 history_manager = self.history_manager
                 onebot_client = self.onebot